<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html>
<html lang="en">

<head>

    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>Login</title>

    <!-- Custom fonts for this template-->
    <link href="vendor/fontawesome-free/css/all.min.css" rel="stylesheet" type="text/css">
    <link href="https://fonts.googleapis.com/css?family=Nunito:200,200i,300,300i,400,400i,600,600i,700,700i,800,800i,900,900i" rel="stylesheet">

    <!-- Custom styles for this template-->
    <link href="css/sb-admin-2.min.css" rel="stylesheet">
    <link href="css/style.css" rel="stylesheet">
    <script src="js/jquery.js"></script>
    <script src="js/verificationNumbers.js"></script>-->
    
</head>

<body class="bg-gradient-primary">

    <div class="container">

        <!-- Outer Row -->
        <div class="row justify-content-center">

            <div class="col-xl-10 col-lg-12 col-md-9">

                <div class="card o-hidden border-0 shadow-lg my-5">
                    <div class="card-body p-0">
                        <!-- Nested Row within Card Body -->
                        <div class="row">
                           <div class="col-lg-6 d-none d-lg-block bg-login-image"></div>
                            <div class="col-lg-6">
                                <div class="p-5">
                                    <div class="text-center">
                                        <h1 class="h4 text-gray-900 mb-4">Welcome Back!</h1>
                                    </div>
                                    <form class="user" action="TestServlet" method="post">
                                        <div class="form-group">
                                            <input type="email" class="form-control form-control-user"
                                                id="exampleInputEmail" aria-describedby="emailHelp"
                                                placeholder="Enter Email Address...">
                                        </div>
                                        <div class="form-group">
                                            <input type="password" class="form-control form-control-user"
                                                id="exampleInputPassword" placeholder="Password">
                                        </div>
                                           <div class="form-group">
                                           <div class="checkcode">
		                                   <input type="text" id="J_codetext" placeholder="验证码" maxlength="4" class="login_txtbx">
                                           <canvas class="J_codeimg" id="myCanvas" onclick="createCode()">对不起，您的浏览器不支持canvas，请下载最新版浏览器!</canvas>
                                           </div>
                                           <input type="button" value="验证码核验" class="ver_btn" onclick="validate();">
                                           
                                        </div>
                                        
           
                                        </div>
                                        
                                        <a href="" class="btn btn-primary btn-user btn-block" id="btn">
                                            login
                                        </a>
                                        
                                        
                                        <a href="index.html" class="btn btn-facebook btn-user btn-block">
                                            <i class="fab fa-facebook-f fa-fw"></i> register
                                        </a>
                                    </form>
                                    <hr>
                                    <div class="text-center">
                                        <a class="small" href="index.html">Forgot Password?</a>
                                    </div>
                                   
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

            </div>

        </div>

    </div>

    <!-- Bootstrap core JavaScript-->
    <script src="vendor/jquery/jquery.min.js"></script>
    <script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>

    <!-- Core plugin JavaScript-->
    <script src="vendor/jquery-easing/jquery.easing.min.js"></script>

    <!-- Custom scripts for all pages-->
    <script src="js/sb-admin-2.min.js"></script>
   <script type="text/javascript" src="js/checkcode.js" ></script>

</body>
<script>

$(document).ready(function() {
	  
	 
	  //验证码
	  createCode();
	  //测试提交，对接程序删除即可
	  $(".submit_btn").click(function(){
		  location.href="javascrpt:;"/*tpa=http://***index.html*/;
		  });
	});
	
	
	
	document.getElementById("btn").onclick = function (){
		
		var xhr = new XMLHttpRequest();
		//alert(2222);
		xhr.onreadystatechange = function (){
			//alert("readyState===="+xhr.readyState);
			if(xhr.readyState == 4 && xhr.status == 200){
				var data = xhr.responseText;
				
				if(data == "ok"){
					window.location.href = "index.html";
				}else{
					alert(data);
					
				}
				
			}
		}
		
		var account = document.getElementById("exampleInputEmail").value;
		
		var pwd = document.getElementById("exampleInputPassword").value;
		
		

		
		xhr.open("get","./LoginServlet?"+"account="+account+"&pwd="+pwd,true);
		
		xhr.send();
	}
	
	</script>


</html>